| 年度 | 数值 | 单位 | 发布日期 |
|---|---|---|---|
| 2016 | 66 | 千吨 | 2026-9 |
| 2015 | 61 | 千吨 | 2026-9 |
| 2014 | 67 | 千吨 | 2026-9 |
| 2013 | 85 | 千吨 | 2026-9 |
| 2012 | 78 | 千吨 | 2026-9 |
| 2011 | 99 | 千吨 | 2026-9 |
| 2010 | 120 | 千吨 | 2026-9 |
| 2009 | 124 | 千吨 | 2026-9 |
| 2008 | 107 | 千吨 | 2026-9 |
| 2007 | 88 | 千吨 | 2026-9 |
| 2006 | 84 | 千吨 | 2026-9 |
| 2005 | 165 | 千吨 | 2026-9 |
| 2004 | 119 | 千吨 | 2026-9 |
| 2003 | 81 | 千吨 | 2026-9 |
| 2002 | 57 | 千吨 | 2026-9 |
| 2001 | 63 | 千吨 | 2026-9 |
| 2000 | 53 | 千吨 | 2026-9 |
| 1999 | 54 | 千吨 | 2026-9 |
| 1998 | 37 | 千吨 | 2026-9 |
| 1997 | 32 | 千吨 | 2026-9 |
| 1996 | 49 | 千吨 | 2026-9 |
| 1995 | 45 | 千吨 | 2026-9 |
| 1994 | 44 | 千吨 | 2026-9 |
| 1993 | 40 | 千吨 | 2026-9 |
| 1992 | 30 | 千吨 | 2026-9 |
| 1991 | 22 | 千吨 | 2026-9 |